Sensitive detection of beta-agonists in pork tissue with novel molecularly imprinted polymer extraction followed liquid chromatography coupled tandem mass spectrometry detection

文献类型： 外文期刊

第一作者： Wang, Peilong

作者： Wang, Peilong;Su, Xiaoou;Liu, Ximeng;Zhu, Ruohua

作者机构：

关键词： beta-Agonists;Molecularly imprinted polymer micro-sphere;Ultra-performance liquid chromatography-tandem mass spectrometry;Pork tissue

期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）

ISSN：

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收录情况： SCI

摘要： A novel molecularly imprinted polymer micro-spheres (MIPMs) with phenylethanolamine A as the template and the p-vinylbenzoic acid as the functional monomer were synthesized for the selective absorption of clenbuterol and other beta-agonists including brombuterol, bromchlorbuterol, clorprenaline and ractopamine. The absorption performances of the MIPMs were studied and the experimental results demonstrated that the extraction capacities of five beta-agonists with MIPMs were about from 2.7 to 3.4 times as much as that with non-imprinted polymer micro-spheres. Based on the clean-up of five beta-agonists in pork tissues with MIPMs, a sensitive determination method for five beta-agonists coupled with ultra performance chromatography coupled tandem mass spectrometry detection has been developed. The limits of detection for five beta-agonists were <0.02 mu g/kg. The mean recoveries and repeatability of five beta-agonists in pork tissues varied from 70.0% to 116.0% and from 2.5% to 10.4%, respectively. The developed method was successfully applied to analysis of 22 real pork tissues samples. (C) 2015 Elsevier Ltd. All rights reserved.

分类号： TS2`TS201.2

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